This mysterious video, called simply "UFO Haiti," has racked up over 19 million views on YouTube. No other footage of a UFO sailing through the sky has been watched by as many people. What makes "UFO Haiti" so popular? Probably the fact that it actually shows the UFOs clearly — no blurry lights here. Is it real? A… »5/22/12 7:40am 5/22/12 7:40am